English verb conjugation
COULD GROUCH

Regular verb: grouch - grouched - grouched

Affirmation

Simple form	V-ing form
I could grouch you could grouch he could grouch we could grouch you could grouch they could grouch	I could be grouching you could be grouching he could be grouching we could be grouching you could be grouching they could be grouching
Perfect	V-ing perfect
I could have grouched you could have grouched he could have grouched we could have grouched you could have grouched they could have grouched	I could have been grouching you could have been grouching he could have been grouching we could have been grouching you could have been grouching they could have been grouching

Negation

Simple form	V-ing form
I couldn't grouch you couldn't grouch he couldn't grouch we couldn't grouch you couldn't grouch they couldn't grouch	I couldn't be grouching you couldn't be grouching he couldn't be grouching we couldn't be grouching you couldn't be grouching they couldn't be grouching
Perfect	V-ing perfect
I couldn't have grouched you couldn't have grouched he couldn't have grouched we couldn't have grouched you couldn't have grouched they couldn't have grouched	I couldn't have been grouching you couldn't have been grouching he couldn't have been grouching we couldn't have been grouching you couldn't have been grouching they couldn't have been grouching

Interrogative form

Simple form	V-ing form
could I grouch? could you grouch? could he grouch? could we grouch? could you grouch? could they grouch?	could I be grouching? could you be grouching? could he be grouching? could we be grouching? could you be grouching? could they be grouching?
Perfect	V-ing perfect
could I have grouched? could you have grouched? could he have grouched? could we have grouched? could you have grouched? could they have grouched?	could I have been grouching? could you have been grouching? could he have been grouching? could we have been grouching? could you have been grouching? could they have been grouching?

Interro-negative form

Simple form	V-ing form
couldn't I grouch? couldn't you grouch? couldn't he grouch? couldn't we grouch? couldn't you grouch? couldn't they grouch?	couldn't I be grouching? couldn't you be grouching? couldn't he be grouching? couldn't we be grouching? couldn't you be grouching? couldn't they be grouching?
Perfect	V-ing perfect
couldn't I have grouched? couldn't you have grouched? couldn't he have grouched? couldn't we have grouched? couldn't you have grouched? couldn't they have grouched?	couldn't I have been grouching? couldn't you have been grouching? couldn't he have been grouching? couldn't we have been grouching? couldn't you have been grouching? couldn't they have been grouching?